:root {
            --primary-blue: #2A4D69; /* Azul MutaStudios */
            --creative-magenta: #B50A70; /* Magenta creativo */
            --hover-magenta: #8A0A50; /* Magenta más oscuro para hover */
            --secondary-gray: #ECEFF1; /* Gris claro */
            --dark-gray: #333333;
            --light-text: #F8F9FA;
            --dark-text: #212529;
            --white: #FFFFFF;
            --hover-blue: #3E7C9D; /* Un azul ligeramente más claro para el hover */
            --spacing-unit: 1rem;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--dark-text);
            background-color: var(--white);
            scroll-behavior: smooth;
            animation: fadeIn 0.5s ease-in;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        /* Utilidades */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-unit);
        }

        .btn {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-primary {
            background-color: var(--primary-blue);
            color: var(--light-text);
            border: 2px solid var(--primary-blue);
        }

        .btn-primary:hover {
            background-color: var(--hover-blue);
            border-color: var(--hover-blue);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        .cta-header .btn-primary {
            background: linear-gradient(45deg, var(--primary-blue), var(--creative-magenta));
            border: none;
        }

        .cta-header .btn-primary:hover {
            background: linear-gradient(45deg, var(--hover-blue), var(--hover-magenta));
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        .btn-secondary {
            background-color: var(--creative-magenta);
            color: var(--light-text);
            border: 2px solid var(--creative-magenta);
        }

        .btn-secondary:hover {
            background-color: var(--hover-magenta);
            border-color: var(--hover-magenta);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        h1, h2, h3, h4 {
            font-weight: 600;
            line-height: 1.2;
            color: var(--dark-gray);
        }

        h1 { font-size: 3rem; }
        h2 { font-size: 2.5rem; }
        h3 { font-size: 2rem; }
        h4 { font-size: 1.5rem; }

        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.7rem; }
            h4 { font-size: 1.3rem; }
            .btn { padding: 0.7rem 1.5rem; font-size: 0.9rem; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.5rem; }
            h4 { font-size: 1.2rem; }
        }

        /* Header */
        .header {
            position: fixed;
            width: 100%;
            top: 0;
            left: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.9); /* Semi-transparente */
            padding: 1rem 0;
            transition: background-color 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05); /* Sombra sutil por defecto */
        }

        .header.scrolled {
            background-color: var(--white); /* Sólido al hacer scroll */
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }

        .header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-blue);
            text-decoration: none;
            display: flex;
            align-items: center;
        }

        .logo img {
            height: 40px; /* Ajusta el tamaño del isotipo */
            margin-right: 8px;
        }

        .nav-menu {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .nav-menu ul {
            list-style: none;
            display: flex;
            gap: 2rem;
        }

        .nav-menu ul li a {
            color: var(--dark-text);
            text-decoration: none;
            font-weight: 500;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-menu ul li a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background-color: var(--primary-blue);
            left: 0;
            bottom: -5px;
            transition: width 0.3s ease;
        }

        .nav-menu ul li a:hover::after, .nav-menu ul li a.active::after {
            width: 100%;
        }

        .nav-menu ul li a:hover, .nav-menu ul li a.active {
            color: var(--primary-blue);
        }

        .cta-header .btn {
            padding: 0.7rem 1.5rem;
        }

        .menu-toggle {
            display: none;
            font-size: 1.8rem;
            color: var(--primary-blue);
            cursor: pointer;
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--white);
                box-shadow: 0 4px 10px rgba(0,0,0,0.1);
                padding: 1rem 0;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu ul {
                flex-direction: column;
                gap: 1rem;
                align-items: center;
            }
            .nav-menu ul li {
                width: 100%;
                text-align: center;
            }
            .cta-header {
                display: none; /* O puedes moverlo dentro del menú móvil si es necesario */
            }
            .menu-toggle {
                display: block;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--light-text);
            text-align: center;
            overflow: hidden;
            padding-top: 80px; /* Para evitar que el header cubra el contenido */
        }

        .hero-video-bg {
            position: absolute;
            top: 50%;
            left: 50%;
            min-width: 100%;
            min-height: 100%;
            width: auto;
            height: auto;
            z-index: -2;
            transform: translateX(-50%) translateY(-50%);
            background-size: cover;
            background-position: center center;
            filter: brightness(0.6); /* Oscurecer el video para que el texto resalte */
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(42, 77, 105, 0.7); /* Superposición azul oscura semi-transparente */
            z-index: -1;
        }

        .hero-content {
            z-index: 1;
            max-width: 800px;
            padding: 0 var(--spacing-unit);
        }

        .hero-content h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            color: var(--light-text);
        }

        .hero-content h2 {
            font-size: 1.8rem;
            font-weight: 400;
            margin-bottom: 2.5rem;
            color: var(--light-text);
            opacity: 0.9;
        }

        .hero-buttons .btn {
            margin: 0 1rem;
        }

        @media (max-width: 768px) {
            .hero-content h1 { font-size: 3rem; }
            .hero-content h2 { font-size: 1.5rem; }
            .hero-buttons .btn { margin: 0.5rem 0; display: block; width: 80%; max-width: 300px; margin-left: auto; margin-right: auto;}
        }
        @media (max-width: 480px) {
            .hero-content h1 { font-size: 2.5rem; }
            .hero-content h2 { font-size: 1.2rem; }
        }

        /* Sección de Servicios */
        .services-section {
            padding: 5rem 0;
            background-color: var(--white);
            text-align: center;
        }

        .services-section h2 {
            margin-bottom: 3rem;
            font-size: 2.8rem;
            color: var(--dark-gray);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .service-card {
            background-color: var(--secondary-gray);
            padding: 2.5rem 2rem;
            border-radius: 15px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            text-align: left;
            border: 1px solid rgba(0, 0, 0, 0.05);
            cursor: pointer;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .service-card .icon {
            font-size: 3.5rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            display: block;
            text-align: center;
        }
        .service-card:nth-child(2) .icon {
            color: var(--creative-magenta);
        }

        .service-card h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            text-align: center;
        }

        .service-card p {
            color: var(--dark-text);
            line-height: 1.8;
            font-size: 0.95rem;
        }
        .services-section .additional-services {
            margin-top: 3rem;
            font-size: 1.1rem;
            color: var(--dark-gray);
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .services-section .additional-services strong {
            color: var(--primary-blue);
        }


        /* Sección Quiénes Somos */
        .about-section {
            padding: 5rem 0;
            background-color: var(--secondary-gray);
            text-align: center;
        }

        .about-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .about-image {
            width: 100%;
            max-width: 600px;
            border-radius: 15px;
            margin-bottom: 2.5rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }

        .about-section h2 {
            margin-bottom: 1.5rem;
            color: var(--dark-gray);
        }

        .about-section p {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 2.5rem;
            color: var(--dark-text);
        }



        /* Sección Lead Magnet */
        .lead-magnet-section {
            padding: 5rem 0;
            background-color: var(--primary-blue);
            color: var(--light-text);
            text-align: center;
        }

        .lead-magnet-section h2 {
            color: var(--light-text);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
        }

        .lead-magnet-section p {
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 2.5rem;
            opacity: 0.9;
        }

        .lead-magnet-form {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
            max-width: 550px;
            margin: 0 auto;
        }

        .lead-magnet-form input[type="text"],
        .lead-magnet-form input[type="email"] {
            width: 100%;
            padding: 1rem 1.2rem;
            border-radius: 50px;
            border: 1px solid #ccc;
            font-family: 'Poppins', sans-serif;
            font-size: 1rem;
            color: var(--dark-text);
            outline: none;
            background-color: var(--white);
            transition: border-color 0.3s ease;
        }

        .lead-magnet-form input[type="text"]:focus,
        .lead-magnet-form input[type="email"]:focus {
            border-color: var(--primary-blue);
        }

        .lead-magnet-form input::placeholder {
            color: #999;
        }

        .lead-magnet-form .btn-primary {
            width: 100%;
            padding: 1rem;
            font-size: 1.1rem;
            border-radius: 50px;
        }
        .lead-magnet-form .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
        }

        /* Footer */
        .footer {
            background-color: var(--dark-gray);
            color: var(--secondary-gray);
            padding: 4rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer .container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            color: var(--light-text);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }

        .footer-col .logo {
            font-size: 1.5rem;
            color: var(--light-text);
            margin-bottom: 0.5rem;
        }

        .footer-col .slogan {
            font-style: italic;
            margin-bottom: 1rem;
            opacity: 0.8;
        }

        .social-icons a {
            color: var(--secondary-gray);
            font-size: 1.5rem;
            margin-right: 1rem;
            transition: color 0.3s ease;
        }

        .social-icons a:hover {
            color: var(--primary-blue);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 0.8rem;
        }

        .footer-col ul li a {
            color: var(--secondary-gray);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-col ul li a:hover {
            color: var(--primary-blue);
        }

        .footer-col p {
            margin-bottom: 0.8rem;
            opacity: 0.9;
        }

        .footer-bottom {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            opacity: 0.7;
        }

        @media (max-width: 768px) {
            .footer .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .social-icons {
                margin-top: 1rem;
            }
            .social-icons a {
                margin: 0 0.5rem;
            }
        }

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
        }

        .modal-content {
            background-color: var(--white);
            padding: 20px;
            border: 1px solid #888;
            width: 80%;
            max-width: 500px;
            border-radius: 15px;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .close {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
        }

        .close:hover,
        .close:focus {
            color: #000;
            text-decoration: none;
        }

        .form-group {
            margin-bottom: 15px;
        }

        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 500;
        }

        .form-group input {
            width: 100%;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 50px;
            font-size: 1rem;
            background-color: var(--white);
            transition: border-color 0.3s ease;
        }

        #lead-magnet-form .form-group input {
            width: 450px;
            margin: 0 auto;
            display: block;
        }

        .form-group input:focus {
            border-color: var(--primary-blue);
            outline: none;
        }

        .contact-btn {
            margin-right: 10px;
            padding: 8px 16px;
            border: 1px solid #ccc;
            background: var(--white);
            cursor: pointer;
            border-radius: 5px;
            font-size: 1rem;
            transition: background-color 0.3s ease;
        }

        .contact-btn.active {
            background-color: var(--primary-blue);
            color: var(--light-text);
            border-color: var(--primary-blue);
        }

        .modal-content h2 {
            margin-bottom: 20px;
            color: var(--primary-blue);
        }